TSC Alpha-4L Service Manual page 10

Direct thermal portable printer
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Bluetooth connector
J403
Stepping motor
J501
Black mark sensor
J701
Gap sensor
J702
5
WIFI_TXD
6
WIFI_CTS
7
GND
Pin
Description
1
3.3V
2
BT_RST
3
BT_RXD
4
BT_RTS
5
BT_TXD
6
BT_CTS
7
BT_DISCON
8
BT_CON
9
NC
10
GND
Pin
Description
1
AOUT1
2
AOUT2
3
BOUT1
4
BOUT2
Pin
Description
1
3.3V
2
BM_E
3
BM_R
Pin
Description
1
3.3V
2
GAP_R
9

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